How do I prevent firefox from loading page when I type in first few letters?

I am giving my laptop to my daughter. I deleted history and emptied cache. Yet if she were to type the letter 'c', an adult site I have visited pops up - WITH MY USERNAME AND PASSWORD ALREADY TYPED IN! This gives her full access to my adult activity on the site.
How do I prevent this from happening? I want to totally remove this site from firefox's 'memory', especially the username and password.

To log you out of all websites your gonna want to clear the cookies:
* Firefox in top left corner > Options > Privacy > Show Cookies >Remove all Cookies
I would also recommend resetting Firefox if you are no longer gonna use it yourself :
* Firefox in top left corner>Help>Troubleshooting Information>Reset Firefox
See here for more information:
[[Reset Firefox – easily fix most problems]]
[[Delete cookies to remove the information websites have stored on your computer]]

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Firefox no longer gives automatic prompts when I type in first few letters of a search - even though my browsing history is being recorded, and "Remember search and form history" is ticked in the Privacy preferences: what's gone wrong?

Firefox has recently stopped giving (personalised) automatic prompts when I type in the first few letters of a search. What does come up is a long list of possible search subjects - but these are very general and don't reflect my own personal browsing history. My browsing history IS being recorded, however, and the "Remember search and form history" box is ticked in the Privacy preferences.
I'm not using the "Private Browsing" option.
There are two MacBooks in the house, sharing one wireless router. This problem has cropped up on both laptops - mine and my wife's - at around the same time.

Start Firefox in [[Safe Mode]] to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode

How can I stop Firefox from loading automatically when I startup my computer?

A while ago I setup Windows so Outlook and Firefox opened automatically when I log on. Now I want to stop FF from opening automatically. I have gone into the Startup folder and removed the shortcut to FF several times but it keeps coming back. I changed the name of Mozilla Firefox in the Windows Programs Directory to xxMozilla Firefox and that didn't keep it from loading. If necessary, I will remove FF from my computer altogether but I would rather not do that.

Aaarg! I tried Matt's suggestion of using msconfig, restarted my computer, and it seemed to solve the problem. Today when I turned on the computer it hung up before loading Windows. I had to use the F12 button to get it to load. I did and it did and Firefox did not load.
Now, this evening, I turned on the computer, the startup procedure was normal, and there's Firefox fired up and ready to go!

How do I prevent Firefox from automatically starting when I boot-up my Mac in the morning?

Whenever I boot up my Mac in the morning Firefox automatically starts and displays my home page. I would only like to see the desk top with no applications running. I am running OSX 10.4.11 on my laptop.
== Started possibly a few weeks ago.

Hmm.. Okay I've done a bit more digging and tried the following two things before the last restart.. Not sure which one actually worked but give these a shot (one at a time) and let us know which is the ''actual'' solution! :)
1. Open Safari -> Preferences -> General
- change "Default Web Browser" to Safari
- Close all applications
- Relaunch Safari and change default browser back to Firefox.
2. Remove the check from "Reopen windows when logging in" in the logout dialog and logout of the computer..
I suspect step 2 is actually the proper solution, but I did both so, hopefully one of them works for everyone else!

How do I prevent Firefox from locking up when I click on "Save As" under the "File" menu (resetting Firefox didn't solve the problem)?

I'm running Windows Vista Home Premium OS on Dell XPS 420 system. Firefox locks up each time I click on "Save As" under the "File" menu. Resetting Firefox did NOT solve the problem. If, instead of using Firefox, I log on to a website using Microsoft Windows Internet Explorer, the "Save As" feature works fine, as it should. I would occasionally like to save a web page, using "Save As" while using Firefox, instead of copying the page to a Word Document, and then saving it.

Hello,
The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!
Thank you.

How do prevent firefox from loading(going to) a website(following a link, etc...) that i never want to see again(example: choose now & click on some link in the future)?

I go to a website(link, etc...) & I never want to go there again, but sometime(anytime) later I come across some page that seems to be useful. I click on a link, and the other required links until I find that it is a waste of time & I then kind of remember having been there in the past & have wasted all this time again. This happening for many different sites over time.
How do I prevent firefox from loading(going to) all websites that I choose to go to when I have in the(distant) past decided that I never wish to return to: block websites with message saying that I blocked it?

Hello Cen.
You need to find an extension that blocks certain sites. I am certain there are many. Search over at [http://addons.mozilla.org addons.mozilla.org].
I hope you find it.
If you need help, just ask.

How can I prevent Firefox from re-installing test pilot?

I had removed the test pilot extension and its feedback button in Firefox 4.0b9. I let Firefox upgrade itself to 4.0b10 and didn't notice that silently re-installed it.
I was typing in another application when suddenly that window was minimized and the focus shifted to a Firefox "new test pilot study" window that popped up. Even if I had given permission for that software to be installed, that is rude.
I am not willing to trust that if I disable this logging software that it will stay disabled the next time I upgrade. I will remove test pilot again. '''How can I prevent Firefox from re-installing it?'''
One way might be to set extensions.rdf read-only. However, I do not wish to lose the ability to install add-ons, I merely do not want anybody (including Mozilla) to install an add-on without my permission.
https://bugzilla.mozilla.org/show_bug.cgi?id=519357 doesn't seem to address this problem as test pilot is a known component. Its not a plug-in so I can't modify the plugin scanning settings to prevent it from being loaded. Is there some way I can reliably supplement http://www.mozilla.com/en-US/blocklist/ with a local block list file? If so, would I have to update that whenever a new version of test Pilot is released?
http://support.mozilla.com/en-US/kb/Add-ons%20blocklist

I'm not sure what you mean by "re-directs e-mails." Are the recipient addresses changing between the time you address the message and the time it is sent?
If you could provide more information I think that would help in tracking this down.
When you use Firefox to work with your webmail site, whether Yahoo! or Gmail or another, the mechanics of sending the mail are handled by the site itself. So if there is a problem with how messages are addressed, then you may need to check your Yahoo! mail settings.

How do I prevent Firefox from "cycling" the tabs?

How can I prevent Firefox from cycling the tabs?
I like my tabs where they are. I have a good memory. If a tab is at the left, I want it to stay at the left. I do not want firefox to move the activated tab around, under any circumstance. Where there's code in the Chrome to make a tab move without the user dragging it, I want an option to prevent this from ever ocurring. Movement of tabs is very disorienting. I am not talking about scrolling. I am talking about when there are 6 tabs open and the rightmost 5 keep changing places without user interaction.

You can check the home page setting.
*Tools > Options > General > Startup: Home page
*https://support.mozilla.org/kb/How+to+set+the+home+page - Firefox supports multiple home pages separated by '|' symbols
If you do not keep changes the you can check for problems with preferences and try to rename or delete the prefs.js file and possible numbered prefs-##.js files and a possible user.js file to reset all prefs to the default values.
*http://kb.mozillazine.org/Preferences_not_saved

Firefox connects to google-analytics for some sites, and then gets stuck, and I can never get onto the site. How do I prevent Firefox from connecting to google-analytics? I use XP with service pak 3 in English

Firefox connects to google-analytics for some sites,when i click on links in websites or emails and then gets stuck, and I can never get onto the site. Or opens a new bower behind the one i'm usind that's blank i don't even know it's there untill i close the one i'm using. How do I prevent Firefox from connecting to google-analytics? Or opening a blank bowser behind the one i'm using. I use XP with service pak 3 in English
== This happened ==
A few times a week
== a couple months ago

I got the same issue.
I go on a website and all the sudden another window pops up with "results.google-analytics.com" or "search.google-analytics.com". It has often ads for other sites for example. black single dating site
how can I can I stop that from happening again?
I didn't download or do anything, just visit websites, that I visit on a regular basis.
OS: Windows XP
Firefox Version: 3.6.6

How can I prevent Firefox from cleaning my clipboard at exit (exit or closing firefox) ?

How can I prevent Firefox from cleaning my clipboard at exit (exit or closing firefox) ?
I am using FF 9.0.1 and the problem start from FF 5.0

You can't prevent that. 
If you've placed data on the clipboard in Firefox then you need to paste that data in the other program, if that is your intention, before closing Firefox.

Since I downloaded Firefox 3.6.6 on my Mac, I am now unable to get e-mail address to automatically complete when I enter the first few letters of the address. in English

Since I downloaded Firefox 3.6.6 on my Mac, I am now unable to get e-mail address to automatically complete when I enter the first few letters of the address. in English
== This happened ==
Every time Firefox opened
== I downloaded Firefox 3.6.6

In my case it seems that Firefox just doesn't "see" (or can't find?) the coupon printer application anymore after the FF update. (and yes, my add-ons are enabled - to answer the tech support people's first question).
For me, the coupon printer doesn't even show up in my Firefox "Add-Ons" list anymore. Is that what people typically see when they're saying the coupon printer "doesn't work" with FF? The coupon printer was visible on the add-ons list before my FF update, and now it's totally Gone! It seems that Firefox just doesn't "see" (or can't find?) the coupon printer application anymore since the FF update.
When I'm on the coupons.com site and I click "print coupons", it tells me I haven't installed the application. But it Is installed on my computer, I can see it in my folders, and it works on IE, so it's definitely there.
BTW - I have uninstalled/reinstalled the coupon printer application. I have tried all the suggestions on the Mozilla help/forum sites, as well as the Coupons.com web site. I have closed and re-started Firefox after the installation. I have also shut down and restarted my pc after installation. I tried installing the application with Firefox open, and tried it again with Firefox closed. I've even cleared out all my cookies/history associated with Coupons.com.
... I can't think of anything else to try, except for the "solution" of using IE for coupons.
If it Really is a problem on the Coupon.com end of things, do you think it's worth it if we bombard the coupons.com support team with messages saying they need to fix the problem? (or just a waste of time?) ;(

How do I prevent Firefox from switching me to the "working offline" mode in the midst of my online gaming?

I'll be on-line, playing a game or surfing the web and the next thing I know I don't have an internet connection. I click on "repair internet connection" and get the feedback, "unable to repair. I click on file and see that there is a check mark by 'work off-line' which I never checked. How can I prevent Firefox browser from automatically switching me over to the off-line mode whenever it feels like it. Very frustrating! Happens more than a few times a week but not every time Firefox is open.

Create a new Boolean pref with the name network.manage-offline-status and set the value to false.
Right-click on the about:config page to open the right-click context menu and use "New > Boolean" to create a new Boolean pref.
Name: network.manage-offline-status
Value: false
See also http://kb.mozillazine.org/about%3Aconfig

Possible to prevent Firefox from loading two versions of Flash, without disabling PLID scan?

Our IT department—what a great way to start a question—does not roll out regular updates for Flash. To bridge this security gap for Firefox on my work computer, I copy the following files:
* flashplayer.xpt
* FlashPlayerPlugin_<version>.exe
* FlashUtil32_<version>_Plugin.exe
* NPSWF32_<version>.dll
from C:\Windows\System32\Macromed\Flash on another machine and paste them to
C:\Users\<myusername>\AppData\Roaming\Mozilla\Plugins on my work machine. When Firefox starts, it scans the various locations (http://kb.mozillazine.org/Plugin_scanning) and finds both this version and of course the outdated version originally installed, which IT does not update (currently 11.1.102.55). This effectively updates Flash, and until IT finds a solution to distribute updates I'll have to continue to update Flash manually (Java is unfortunately not so easy to fix), but still leaves me with a problem.
My perceived problem is that Firefox still scans the default installation directory of Flash and thus finds the outdated version. Under Add-ons > Plug-ins, I can select from "Ask to Activate," "Always Activate" and "Never Activate." If I select "Ask to Activate" for the current version (12.0.0.43) and "Never Activate" for the old version (11.1.102.55), upon restarting Firefox it sets both to "Ask to Activate." I conclude that Firefox does not treat separate Flash versions independently. Since constantly being prompted to activate Flash is bothersome, I could just set both to "Always Activate," but that leaves an old, even-more-compromised-than-the-current version of Flash activated.
The best solution, I suppose, would be to uninstall the outdated version of Flash, but I don't have the administrative rights to do so, and don't want to pester our IT administrators. I could prevent Firefox from scanning the directories specified in the Windows registry for PLIDs (see above link), but this would prevent it from finding my also-outdated-but-only-installed Java Plug-In, which I keep thinking I need. The behavior I'm after is to prevent Firefox from scanning or finding the old Flash version, while still finding my Java Plug-in. How could I go about this?
Thanks

Maybe you can check the pluginreg.dat file to see if you can disable/remove the other Flash plugin and make the file read-only to prevent changes.
You can use this button to go to the Firefox profile folder:
*Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Issues_related_to_plugins

How can I prevent Firefox from checking whether Adobe Flash is up to date?

I just updated Flash a week ago and already Firefox is prompting me to replace the update with the message "Firefox has prevented the outdated plugin Adobe Flash from running on" (etc.) How can I prevent Firefox (I'm using version 35.0.1) from running this check forever?

"Add-ons" is a mis-leading term, regarding what appears in the Add-ons Manager tab. "Addons" includes Extensions, Search Engines, Themes (Appearance), User Scripts, Styles, and Services - all of which the "Updates" can be controlled by Firefox preferences. "Plugins" are shown in the AOM too, but unlike the others, Firefox has no control over updates for Plugins. As James mentioned, Plugins aren't installed within Firefox as the other categories of "Add-Ons" are - and updates are controlled by the application that installed the Plugin that Firefox uses from each application's own set of folders or wherever in Windows files the Plugin is placed by the installer.
IMO, the biggest problem with Flash is that it is set by default to only look for an update once a month. So when Adobe updates Flash multiple times a month (3 "updates" in January alone) the Flash updater can'r catch each update as it occurs, or even within an acceptable "window of time". A user might "fall behind" as many as 3 new version releases quite easily.
As far as clicking to "Allow" each video when you're behind a version or two with Flash, at least Mozilla does a "soft block" and permits you to "Allow" - a "hard block" would make it impossible to use Flash at all. And "yes". Mozilla ''can do" a "hard block" when necessary.
In conclusion, Flash is a dying technology, which deserves to be buried. It is too "exploitable" by the "bad guys". All the recent "updates" are for security patches for fixing "holes" in Flash and stability fixes to an old application that "has seen better days" (like 10 years ago).
HTML5 Video looks like the future. Use it where you can, like at YouTube which gives you a choice for many videos they host - but you you need to enable that feature in Google preferences or all you're liable got get is Flash videos. With other websites, their users need to tell them that they want HTML5 videos only.

How do I prevent word from automatically starting when I turn on my macbook pro?

I opened up Microsoft Word on my Macbook Pro one time, and now it automatically everytime I turn on my computer. How do I prevent this from happening?

CPalluth wrote:
That's unchecked, as well...
I had a similar issue last week from a customer.
It seems that MS-Office fiddle a lot in the preferences and plist's during installation.
Performing a permission repair (Disk Utility) does the trick in that case.
Lupunus

How do I prevent firefox from loading page when I type in first few letters?

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